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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 112 · 40 questions
TalentJR

Remember (All for series, any for parallel): Series switches (one path): the bulb glows only if ALL are ON. Parallel switches (side-by-side paths): the bulb glows if ANY one is ON. Mixed: work out each path, then ask if there is at least one complete path.

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  1. 1.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) slides side to side
  3. 3.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  4. 4.True or false: a push button stays where you flip it. (a) False (b) True
  5. 5.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) flips up or down (d) springs back when let go
  6. 6.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  8. 8.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  10. 10.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  12. 12.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) slides side to side (d) works only while pressed
  14. 14.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  15. 15.True or false: a reed switch works only while pressed. (a) True (b) False
  16. 16.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  17. 17.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) works only while pressed (d) springs back when let go
  18. 18.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  19. 19.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  20. 20.True or false: a tilt switch flips up or down. (a) False (b) True
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  22. 22.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  24. 24.True or false: a tilt switch closes when tipped over. (a) True (b) False
  25. 25.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) never (d) only when both are ON
  26. 26.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.True or false: a toggle switch closes when tipped over. (a) False (b) True
  30. 30.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  31. 31.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  32. 32.True or false: a slide switch slides side to side. (a) True (b) False
  33. 33.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 A bulb and a cell are joined through 6 switches on 6 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
  35. 35.True or false: a push button works only while pressed. (a) True (b) False
  36. 36.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  38. 38.True or false: a toggle switch stays where you flip it. (a) True (b) False
  39. 39.What does a push button do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) closes when tipped over
  40. 40.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No

Answer key

  1. No
  2. closes near a magnet
  3. No
  4. False
  5. flips up or down
  6. Yes
  7. a push button
  8. Yes
  9. a push button
  10. Yes
  11. opens or closes the loop
  12. Yes
  13. slides side to side
  14. closes when tipped over
  15. False
  16. closed
  17. stays where you flip it
  18. a toggle switch
  19. Yes
  20. False
  21. a reed switch
  22. Yes
  23. when both are ON
  24. True
  25. when either is ON
  26. No
  27. No
  28. No
  29. False
  30. 6
  31. a toggle switch
  32. True
  33. No
  34. 1
  35. True
  36. Yes
  37. works only while pressed
  38. True
  39. springs back when let go
  40. No

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